public function convertExposedInput(&$input, $selected_group_id = NULL) {
if ($this
->isAGroup()) {
// If it is already defined the selected group, use it. Only valid
// when the filter uses checkboxes for widget.
if (!empty($selected_group_id)) {
$selected_group = $selected_group_id;
}
else {
$selected_group = $input[$this->options['group_info']['identifier']];
}
if ($selected_group == 'All' && !empty($this->options['group_info']['optional'])) {
return NULL;
}
if ($selected_group != 'All' && empty($this->options['group_info']['group_items'][$selected_group])) {
return FALSE;
}
if (isset($selected_group) && isset($this->options['group_info']['group_items'][$selected_group])) {
$input[$this->options['expose']['operator']] = $this->options['group_info']['group_items'][$selected_group]['operator'];
// Value can be optional, For example for 'empty' and 'not empty' filters.
if (!empty($this->options['group_info']['group_items'][$selected_group]['value'])) {
$input[$this->options['expose']['identifier']] = $this->options['group_info']['group_items'][$selected_group]['value'];
}
$this->options['expose']['use_operator'] = TRUE;
$this->group_info = $input[$this->options['group_info']['identifier']];
return TRUE;
}
else {
return FALSE;
}
}
}